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bezimeni [28]
3 years ago
8

At the sixth-grade school dance, there are 132 boys, 89 girls, and 14 adults. Write the ratio of the number of boys to the numbe

r of girls. Type your answer either in the format: 3:4 with no spaces, OR in the format 3 to 4.
Mathematics
1 answer:
MrMuchimi3 years ago
5 0

Answer:

the ratio will be 132 to 89

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The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar
mafiozo [28]

Answer:

Ratio = \frac{R^2 - r^2 }{ r^2}

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

Area = \frac{\theta}{360}\pi r^2

For the inner circle

r \to radius

The sector of the inner circle has the following area

A_1 = \frac{\theta}{360}\pi r^2

For the whole circle

R \to Radius

The sector of the outer sector has the following area

A_2 = \frac{\theta}{360}\pi (R^2 - r^2)

So, the ratio of the outer sector to the inner sector is:

Ratio = A_2 : A_1

Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2

Cancel out common factor

Ratio = R^2 - r^2 : r^2

Express as fraction

Ratio = \frac{R^2 - r^2 }{ r^2}

6 0
3 years ago
I hope you can see but can somebody please help me with this?
marysya [2.9K]

Answer:

c find the value

Step-by-step explanation:

plz workout

3 0
3 years ago
What are the slope and the y-intercept of the linear function that is represented by the equation y=-10x+1
RUDIKE [14]
<h3>Answer:</h3>

The slope is -10 and the y-intercept is 1.

<h3>Explanation:</h3>

This function is written in slope-intercept form, which is y=mx+b.  In this form, m is the slope and b is the y-intercept.

In this case, m=-10 and b=1, so those are the answers to this problem.

6 0
3 years ago
Read 2 more answers
A line's slope is 1/5 the y-intercept is 5. What is the equation in slope-intercept form?
damaskus [11]

Answer: y = 1/5x+5

Step-by-step explanation: Slope intercept form is y = mx+b, where m is the slope, and b is the y intercept. Substitute accordingly.

7 0
3 years ago
Of all the chickens on the farm, there are 25 hens and 43 chicks at the farm. What is the ratio of chicks to ALL the chickens on
Mice21 [21]

Answer:

25/43

the re is no simplified version so 25.43 is your final answer

3 0
3 years ago
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